// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_TRACING_TRACING_UI_H_
#define CONTENT_BROWSER_TRACING_TRACING_UI_H_

#include <stdint.h>

#include <map>
#include <string>

#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "content/public/browser/trace_uploader.h"
#include "content/public/browser/web_ui_controller.h"

namespace content {

class TracingDelegate;

// The C++ back-end for the chrome://tracing webui page.
class CONTENT_EXPORT TracingUI : public WebUIController {
public:
    explicit TracingUI(WebUI* web_ui);
    ~TracingUI() override;
    void OnTraceUploadProgress(int64_t current, int64_t total);
    void OnTraceUploadComplete(bool success, const std::string& feedback);

private:
    void DoUploadInternal(const std::string& file_contents,
        TraceUploader::UploadMode upload_mode);
    void DoUpload(const base::ListValue* args);
    void DoUploadBase64Encoded(const base::ListValue* args);

    std::unique_ptr<TracingDelegate> delegate_;
    std::unique_ptr<TraceUploader> trace_uploader_;
    base::WeakPtrFactory<TracingUI> weak_factory_;

    DISALLOW_COPY_AND_ASSIGN(TracingUI);
};

} // namespace content

#endif // CONTENT_BROWSER_TRACING_TRACING_UI_H_
